Life Span
Perennial
Biennial
Type
Flowering Plants
Herbs, Shrub
Origin
South-Central United States
Mediterranean, Northern Africa
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
20025
0
40000
👆🏻
Habitat
Rocky areas
Temperate Regions
USDA Hardiness Zone
5-85-8
0
99
👆🏻
AHS Heat Zone
12-1
8 - 5
Sunset Zone
No Available
21,22
Habit
Clump-Forming
Rosette/Stemless
Plant Size
Minimum Height
30.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
30.50 cm50.80 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Silver
Leaf Color in Summer
Green
Silver
Leaf Color in Fall
Green
Silver
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground, Pot
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, Never Over-water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
Pests and Diseases
Red blotch
Red blotch, Slugs, Snails
Plant Tolerance
Drought
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Snails
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Antiseptic, Astringent
Part of Plant Used
Flowers, Leaves
Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Bedding Plant, Container, Mixed Border, Rock Garden / Wall
Botanical Name
PENSTEMON cobaea
SALVIA argentea
Common Name
Beardtongue
Silver Clary, Silver Sage
In Hindi
Beardtongue
रजत बाबा
In German
Bartfaden
Silver Sage
In French
beardtongue
Silver Sage
In Spanish
beardtongue
silver Sage
In Greek
Beardtongue
Silver Sage
In Portuguese
Beardtongue
silver Sage
In Polish
Beardtongue
silver Sage
In Latin
ursus lingua
Argentum Sage
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Scrophulariaceae
Lamiaceae
Genus
Penstemon
Salvia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Mentheae
Subfamily
-
Nepetoideae
Number of Species
261900
1
27800
👆🏻